£15k
−15%vs Mar 2024Active08013980Private limited companyLondon
MMJ HEATING LIMITED
Significant control: Jacek Zajac (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Mmj Heating Limited sell?
Registered activity: Plumbing, heat and air-conditioning installation (SIC 43220). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MMJ HEATING LIMITED is an active private limited company (company number 08013980) incorporated on 30 March 2012, registered in London. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest micro accounts cover the period ending 31 March 2025, showing net assets of £15k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 15% on the prior period (£17k).
Peer position · net assets
By net assets it sits in the upper half of 2,146 comparable companies in London (median £2,932, upper quartile £20k).
02
Ownership and control
- Mr Jacek Zajac
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 30 March 201214 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 13 April 2027in 172 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £15k | — | — | £17k | — | — | 2 |
| 31 March 2024 | £17k | — | — | £12k | — | — | 2 |
Current ratio1.72Current assets ÷ creditors within one year
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £14,781 at 31 March 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.72
- Incorporated five or more years agoIncorporated 30 March 2012
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 172 days
- Next accounts duein 69 days
- Accounts period endNet assets £15k · micro accounts
- Accounts period endNet assets £17k · micro accounts
- Incorporated
08
Similar companies in London
- J G DUVAL LIMITEDNew Eltham · inc. Mar 2012
- CERCEL LTDLondon · inc. Mar 2012
- AQUA HEATING UK LIMITEDLondon · inc. Mar 2012
- KLARK'S PLUMBING SERVICES LIMITEDEast Ham · inc. Apr 2012
- HAZ PLUMBING AND MAINTENANCE LIMITEDLondon · inc. Apr 2012
- HEAT FIRM LIMITEDLondon · inc. Apr 2012
All companies incorporated on 30 March 2012 · in Mar 2012.
09
Reminders for MMJ HEATING LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.